Build a Drone: A Step-by-Step Guide to Designing, Constructing, and Flying Your Very Own Drone
- ...ne key return, this quadcopter can find its way back home easily without being lost. When you want to free hands or get higher quality pictures and videos, altitude-hold ensures a steady hover and can guarantee all these needs. 3 speeds make beginners and adults quickly master the functions and also allows advanced players to enjoy the fun of shifting..
- [Long Flying Time & Safe to Use] The camera drones are equipped with 2 3.7V /1100mAh rechargeable batteries. 2 modular batteries improve the endurance of the 1080p fpv drones last for long flight time to 20 minutes. Worried about mini drones flying away with no battery to back? Low battery warning can avoid this. Worried about whether the quadcopter drones for adults will crash? Emergency stop design lets professional drones with camera immediately stop and land. These ensure the drone's safety!.